[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [VisualViewport](./puppeteer.protocol.page.visualviewport.md) > [pageX](./puppeteer.protocol.page.visualviewport.pagex.md) ## Protocol.Page.VisualViewport.pageX property Horizontal offset relative to the document (CSS pixels). Signature: ```typescript pageX: number; ```